New J-ball x 1, Maru-S Used J-ball x 1, Maru-S Used J-ball x 7, Kenko Bonus used J-ball (60-70% remaining) x 2 Only one ball is new. The other 8 are used, but still have enough tread remaining to be used for pitching practice. Two additional balls were added as a bonus to fill the empty space in the box. The black lines on the balls were drawn to observe the spin during pitching.